3′-Bromo-2,2,2-trifluoroacetophenone
3′-Bromo-2,2,2-trifluoroacetophenone (CAS: 655-26-5) is a fluorinated ketone with the molecular formula C8H4BrF3O and a molecular weight of 253.02 g/mol. This organic building block is commonly employed in chemical synthesis and serves as a valuable intermediate in the production of various complex organic molecules. Its reactivity makes it a useful component for introducing trifluoromethyl and bromo-acetophenone functionalities into target compounds.
- IUPAC
- 3-Bromo-α,α,α-trifluoroacetophenone
- Synonyms
- 655-26-5C8H4BrF3O3-Bromo-α,α,α-trifluoroacetophenone

Organic Synthesis Intermediate
Serves as a key building block in the synthesis of novel organic compounds, particularly those requiring trifluoromethyl and brominated phenyl ketone moieties. It is instrumental in multi-step synthetic routes for pharmaceuticals and agrochemicals.
Pharmaceutical Research
Utilized in the discovery and development of new drug candidates. Its unique structure allows for the modification of biologically active molecules, potentially enhancing efficacy or altering pharmacokinetic properties.
Agrochemical Development
A precursor in the synthesis of advanced agrochemicals, contributing to the development of new pesticides, herbicides, and fungicides. The trifluoromethyl group can impart desirable properties such as enhanced stability and potency.
Material Science
Investigated for its potential role in the synthesis of specialized polymers and functional materials where fluorinated organic compounds are required for specific thermal or chemical resistance properties.
| Molecular weight | 253.02 |
|---|---|
| Empirical formula | C8H4BrF3O |
| Assay | 97% |
| Density | 1.637 g/mL at 25 °C |
| Refractive index | n20/D 1.504 |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 3′-Bromo-2,2,2-trifluoroacetophenone used for?
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3′-Bromo-2,2,2-trifluoroacetophenone is primarily used as a building block in organic synthesis, particularly for creating pharmaceuticals, agrochemicals, and other complex organic molecules requiring its specific structural features.
What are the CAS number and formula for this compound?
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The CAS number is 655-26-5, and the empirical formula is C8H4BrF3O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3′-Bromo-2,2,2-trifluoroacetophenone with an assay of 97%. We do not represent this product as USP, BP, EP, or pharmacopoeia grade.
What are the safety and handling precautions for 3′-Bromo-2,2,2-trifluoroacetophenone?
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This compound is classified as a Warning, with hazards including skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, such as eyeshields and gloves, should be worn, and handling should occur in a well-ventilated area or with respiratory protection.
How is 3′-Bromo-2,2,2-trifluoroacetophenone packed and shipped?
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Tech Serve Solutions exports fine chemicals globally, ensuring appropriate packaging and compliance with international shipping regulations for hazardous materials.
How can I request a sample or quote?
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To request a sample or a quotation for 3′-Bromo-2,2,2-trifluoroacetophenone, please contact our sales department through the website or by phone.
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